Home / 20,218,066.40-30,327,099.60-8,093,338.40

Finding the Fourth Proportional to 20,218,066.40, 30,327,099.60 and 8,093,338.40

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Solution

The fourth proportional to 20,218,066.40, 30,327,099.60 and 8,093,338.40 is: 12,140,007.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,218,066.40 : 30,327,099.60 = 8,093,338.40 : x
  2. Step 2: Convert to fraction form
    20,218,066.40/30,327,099.60 = 8,093,338.40/x
  3. Step 3: Cross multiply
    20,218,066.40x = 30,327,099.60 × 8,093,338.40
  4. Step 4: Simplify right side
    20,218,066.40x = 245,447,479,753,304.66
  5. Step 5: Solve for x
    x = 245,447,479,753,304.66/20,218,066.40
  6. Step 6: Final answer
    x = 12,140,007.60

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.